<template>
  <div :class="{fullscreen:fullscreen}" class="tinymce-container" :style="{width:containerWidth}">
    <textarea :id="tinymceId" class="tinymce-textarea" />
<!--     <div class="editor-custom-btn-container">
      <editorImage color="#1890ff" class="editor-upload-btn" @successCBK="imageSuccessCBK" />
    </div> -->
  </div>
</template>

<script>
/**
 * docs:
 * https://panjiachen.github.io/vue-element-admin-site/feature/component/rich-editor.html#tinymce
 */
import editorImage from './components/EditorImage'
import plugins from './plugins'
import toolbar from './toolbar'
import load from './dynamicLoadScript'
import request from "@/plugin/axios";
import * as HttpServices from "@/api/HttpServices";
import dayjs from "dayjs";

// why use this cdn, detail see https://github.com/PanJiaChen/tinymce-all-in-one
const tinymceCDN = 'https://cdn.jsdelivr.net/npm/tinymce-all-in-one@4.9.3/tinymce.min.js'

export default {
  name: 'Tinymce',
  components: { editorImage },
  props: {
    id: {
      type: String,
      default: function() {
        return 'vue-tinymce-' + +new Date() + ((Math.random() * 1000).toFixed(0) + '')
      }
    },
    value: {
      type: String,
      default: ''
    },
    toolbar: {
      type: Array,
      required: false,
      default() {
        return []
      }
    },
    menubar: {
      type: String,
      default: 'file edit insert view format table'
    },
    height: {
      type: [Number, String],
      required: false,
      default: 360
    },
    width: {
      type: [Number, String],
      required: false,
      default: 'auto'
    },
    isLook: {
      type: Boolean,
      default() {
        return false;
      }
    },
  },
  data() {
    return {
      hasChange: false,
      hasInit: false,
      tinymceId: this.id,
      fullscreen: false,
      languageTypeList: {
/*         'en': 'en', */
        'zh': 'zh_CN',
/*         'es': 'es_MX',
        'ja': 'ja' */
      }
    }
  },
  computed: {
    containerWidth() {
      const width = this.width
      if (/^[\d]+(\.[\d]+)?$/.test(width)) { // matches `100`, `'100'`
        return `${width}px`
      }
      return width
    }
  },
  watch: {
    value(val) {
      if (!this.hasChange && this.hasInit) {
        this.$nextTick(() =>
          window.tinymce.get(this.tinymceId).setContent(val || ''))
      }
    }
  },
  mounted() {
    this.init()
  },
  activated() {
    if (window.tinymce) {
      this.initTinymce()
    }
    let dom =  document.querySelector('.mce-tinymce');
    if(dom) dom.style.display = 'block';
  },
  deactivated() {
    this.destroyTinymce()
  },
  destroyed() {
    this.destroyTinymce()
  },
  methods: {
    init() {
      // dynamic load tinymce from cdn
      load(tinymceCDN, (err) => {
        if (err) {
          this.$message.error(err.message)
          return
        }
        this.initTinymce()
      })
    },
    initTinymce() {
      const _this = this
      window.tinymce.init({
        selector: `#${this.tinymceId}`,
        language: this.languageTypeList['zh'],
        height: this.height,
        body_class: 'panel-body ',
        object_resizing: false,
        toolbar: this.toolbar.length > 0 ? this.toolbar : toolbar,
        menubar: this.menubar,
        plugins: plugins,
        end_container_on_empty_block: true,
        powerpaste_word_import: 'clean',
        code_dialog_height: 450,
        code_dialog_width: 1000,
        readonly : this.isLook,
        advlist_bullet_styles: 'square',
        advlist_number_styles: 'default',
        imagetools_cors_hosts: ['www.tinymce.com', 'codepen.io'],
        default_link_target: '_blank',
        link_title: false,
        nonbreaking_force_tab: true, // inserting nonbreaking space &nbsp; need Nonbreaking Space Plugin
        init_instance_callback: editor => {
          if (_this.value) {
            editor.setContent(_this.value)
          }
          _this.hasInit = true
          editor.on('NodeChange Change KeyUp SetContent', () => {
            this.hasChange = true
            this.$emit('input', editor.getContent())
          })
        },
        setup(editor) {
          editor.on('FullscreenStateChanged', (e) => {
            _this.fullscreen = e.state
          })
        },
        images_upload_handler (blobInfo, succFun, failFun) {
            _this.chooseImage(blobInfo, succFun, failFun);
        }
      })
    },
    // 整合七牛上传
    async chooseImage(blobInfo, succFun, failFun) {
      const file = blobInfo.blob();
      const isLt6M = file.size / 1024 / 1024 < 6;
      if (!isLt6M) {
        this.$message({
          type: "error",
          message: "选择的图片不能大于6M!",
        });
        return false;
      }
      const res = await HttpServices.startApiReq("U2009901", { dir: 'images' });
      if (res.code === 200) {
        const data = res.data;
        const filename = new Date().getTime() + this.getSuffix(file.name);
        const formData = new FormData();
        formData.append("key", `${data.dir}/licence/${dayjs().format("YYYYMMDD")}/${filename}`); //存储在oss的文件路径
        formData.append("policy", data.policy); //policy
        formData.append("OSSAccessKeyId", data.accessid); //accessKeyId
        formData.append("success_action_status", "200"); //成功后返回的操作码
        formData.append("Signature", data.signature); //签名
        formData.append("callback", data.callback);
        formData.append("file", file);
        const url = data.host;
        request({
          url,
          method: "post",
          data: formData,
        })
          .then((res) => {
            if (res.code === 200) {
              const imageUrl = res.filePath.replace("ddmg-moc.oss-cn-shenzhen.aliyuncs.com", "mocimg.ddmg.com");
              succFun(imageUrl);
              this.$message.success("图片上传成功!");
            } else {
              this.$message.error("图片上传失败!");
            }
          })
          .catch((e) => {
            failFun(e)
          });
      }
    },
    getSuffix(fileName) {
      var pos = fileName.lastIndexOf(".");
      var suffix = "";
      if (pos != -1) {
        suffix = fileName.substring(pos);
      }
      return suffix;
    },
    destroyTinymce() {
      const tinymce = window.tinymce.get(this.tinymceId)
      if (this.fullscreen) {
        tinymce.execCommand('mceFullScreen')
      }

      if (tinymce) {
        tinymce.destroy()
      }
    },
    setContent(value) {
      window.tinymce.get(this.tinymceId).setContent(value)
    },
    getContent() {
      window.tinymce.get(this.tinymceId).getContent()
    },
    imageSuccessCBK(arr) {
      const _this = this
      arr.forEach(v => {
        window.tinymce.get(_this.tinymceId).insertContent(`<img class="wscnph" src="${v.url}" >`)
      })
    }
  }
}
</script>

<style scoped>
.tinymce-container {
  position: relative;
  line-height: normal;
}
.tinymce-container>>>.mce-fullscreen {
  z-index: 10000;
}
.tinymce-textarea {
  visibility: hidden;
  z-index: -1;
}
.editor-custom-btn-container {
  position: absolute;
  right: 4px;
  top: 4px;
  /*z-index: 2005;*/
}
.fullscreen .editor-custom-btn-container {
  z-index: 10000;
  position: fixed;
}
.editor-upload-btn {
  display: inline-block;
}

</style>

<style rel="stylesheet/scss" lang="scss">
  .tinymce-container .mce-label {
    display: none;
    *display: inline;
    *zoom: 1;
    text-shadow: 0 1px 1px rgba(255,255,255,0.75);
    overflow: hidden;
  }
</style>
